:start
cls
COLOR 0C
chcp 65001
cd D:\System\Desktop\Java_Basic\java-basic-learning-system\Source_Code\第二阶段_提升编程能力
cd chapter01
chcp 936
set /p file= Please shuru:
:re
cls
javac %file%.java
java %file%
set /p bool= yes or no:
if %bool%==y (goto re)
goto start